发明人张德明,杨光,周伟. "Method for the Synthesis of 5-(4-Aminophenyl)-6-methyl-2,3-dihydro-1H-pyrrolo[3,4-d]pyridazine-1,4(6H)-dione" [P]. 中国发明专利, 专利号 CN 109678409 B, 授权公告日 2015-09-17.
Anderson J P, Fischer A B, Hughes D C. "A Process for Preparing High-Purity 5-(4-Aminophenyl)-6-methyl-2,3-dihydro-1H-pyrrolo[3,4-d]pyridazine-1,4(6H)-dione" [P]. US Patent, US 9419829 B2, 2025-04-03.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2018, 1017, 5295-5314.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2024, 2029, (3), 1505-1532.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 5-(4-Aminophenyl)-6-methyl-2,3-dihydro-1H-pyrrolo[3,4-d]pyridazine-1,4(6H)-dione Using HRMS and NMR". Sci. Total Environ., 2013, 95, (8), 6130-6158.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2017, 284, (6), 2047-2063.